Updated README, removed package count from IsValid

PMF/src/Package/Package.cs

@@ -44,15 +44,13 @@ namespace PMF
         //      - a name
         //      - an author
         //      - a description
-        //      - at least one asset
         public bool IsValid()
         {
             return !string.IsNullOrEmpty(ID) &&
                    Type != PackageType.None &&
                    !string.IsNullOrEmpty(Name) &&
                    !string.IsNullOrEmpty(Author) &&
-                   !string.IsNullOrEmpty(Description) &&
-                   Assets.Count > 0;
+                   !string.IsNullOrEmpty(Description);
         }
     }
 }

README.md

@@ -54,7 +54,7 @@ public static PackageState InstallBySdkVersion(string id, out Package package)
 
 Uninstalls a package
 
-```
+```csharp
 public static bool Uninstall(string id)
 ```